LeetCode – Rearrange String k Distance Apart (Java)

Given a non-empty string str and an integer k, rearrange the string such that the same characters are at least distance k from each other. All input strings are given in lowercase letters. If it is not possible to rearrange the string, return an empty string “”. Example: str = “aabbcc”, k = 3 Result: … Continue reading LeetCode – Rearrange String k Distance Apart (Java)